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Finding the Fourth Proportional to 616.64, 924.04 and 308.07

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Solution

The fourth proportional to 616.64, 924.04 and 308.07 is: 461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.64 : 924.04 = 308.07 : x
  2. Step 2: Convert to fraction form
    616.64/924.04 = 308.07/x
  3. Step 3: Cross multiply
    616.64x = 924.04 × 308.07
  4. Step 4: Simplify right side
    616.64x = 284,669.00
  5. Step 5: Solve for x
    x = 284,669.00/616.64
  6. Step 6: Final answer
    x = 461.65

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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.