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Finding the Fourth Proportional to 615.53, 924.81 and 591.23

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Solution

The fourth proportional to 615.53, 924.81 and 591.23 is: 888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.53 : 924.81 = 591.23 : x
  2. Step 2: Convert to fraction form
    615.53/924.81 = 591.23/x
  3. Step 3: Cross multiply
    615.53x = 924.81 × 591.23
  4. Step 4: Simplify right side
    615.53x = 546,775.42
  5. Step 5: Solve for x
    x = 546,775.42/615.53
  6. Step 6: Final answer
    x = 888.30

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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.