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Finding the Fourth Proportional to 618.73, 924.15 and 560.08

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Solution

The fourth proportional to 618.73, 924.15 and 560.08 is: 836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.73 : 924.15 = 560.08 : x
  2. Step 2: Convert to fraction form
    618.73/924.15 = 560.08/x
  3. Step 3: Cross multiply
    618.73x = 924.15 × 560.08
  4. Step 4: Simplify right side
    618.73x = 517,597.93
  5. Step 5: Solve for x
    x = 517,597.93/618.73
  6. Step 6: Final answer
    x = 836.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.