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Finding the Fourth Proportional to 615.06, 924.45 and 400.01

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Solution

The fourth proportional to 615.06, 924.45 and 400.01 is: 601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.06 : 924.45 = 400.01 : x
  2. Step 2: Convert to fraction form
    615.06/924.45 = 400.01/x
  3. Step 3: Cross multiply
    615.06x = 924.45 × 400.01
  4. Step 4: Simplify right side
    615.06x = 369,783.12
  5. Step 5: Solve for x
    x = 369,783.12/615.06
  6. Step 6: Final answer
    x = 601.21

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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.