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Finding the Fourth Proportional to 616.48, 921.11 and 594.95

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Solution

The fourth proportional to 616.48, 921.11 and 594.95 is: 888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.48 : 921.11 = 594.95 : x
  2. Step 2: Convert to fraction form
    616.48/921.11 = 594.95/x
  3. Step 3: Cross multiply
    616.48x = 921.11 × 594.95
  4. Step 4: Simplify right side
    616.48x = 548,014.39
  5. Step 5: Solve for x
    x = 548,014.39/616.48
  6. Step 6: Final answer
    x = 888.94

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Double scale
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1.5x scale

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.