Home / 625.02-931.23-616.11

Finding the Fourth Proportional to 625.02, 931.23 and 616.11

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Solution

The fourth proportional to 625.02, 931.23 and 616.11 is: 917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.02 : 931.23 = 616.11 : x
  2. Step 2: Convert to fraction form
    625.02/931.23 = 616.11/x
  3. Step 3: Cross multiply
    625.02x = 931.23 × 616.11
  4. Step 4: Simplify right side
    625.02x = 573,740.12
  5. Step 5: Solve for x
    x = 573,740.12/625.02
  6. Step 6: Final answer
    x = 917.95

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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.