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Finding the Fourth Proportional to 616.79, 851.12 and 337.03

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Solution

The fourth proportional to 616.79, 851.12 and 337.03 is: 465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.79 : 851.12 = 337.03 : x
  2. Step 2: Convert to fraction form
    616.79/851.12 = 337.03/x
  3. Step 3: Cross multiply
    616.79x = 851.12 × 337.03
  4. Step 4: Simplify right side
    616.79x = 286,852.32
  5. Step 5: Solve for x
    x = 286,852.32/616.79
  6. Step 6: Final answer
    x = 465.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.