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Finding the Fourth Proportional to 615.97, 924.14 and 231.25

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Solution

The fourth proportional to 615.97, 924.14 and 231.25 is: 346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.97 : 924.14 = 231.25 : x
  2. Step 2: Convert to fraction form
    615.97/924.14 = 231.25/x
  3. Step 3: Cross multiply
    615.97x = 924.14 × 231.25
  4. Step 4: Simplify right side
    615.97x = 213,707.38
  5. Step 5: Solve for x
    x = 213,707.38/615.97
  6. Step 6: Final answer
    x = 346.94

Related Problems

Find fourth proportional to 307.99, 462.07 and 115.63
Half scale
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Double scale
Find fourth proportional to 616.97, 925.64 and 232.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.