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Finding the Fourth Proportional to 631.88, 948.58 and 616.18

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Solution

The fourth proportional to 631.88, 948.58 and 616.18 is: 925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.88 : 948.58 = 616.18 : x
  2. Step 2: Convert to fraction form
    631.88/948.58 = 616.18/x
  3. Step 3: Cross multiply
    631.88x = 948.58 × 616.18
  4. Step 4: Simplify right side
    631.88x = 584,496.02
  5. Step 5: Solve for x
    x = 584,496.02/631.88
  6. Step 6: Final answer
    x = 925.01

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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.