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Finding the Fourth Proportional to 590.98, 815.73 and 473.14

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Solution

The fourth proportional to 590.98, 815.73 and 473.14 is: 653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.98 : 815.73 = 473.14 : x
  2. Step 2: Convert to fraction form
    590.98/815.73 = 473.14/x
  3. Step 3: Cross multiply
    590.98x = 815.73 × 473.14
  4. Step 4: Simplify right side
    590.98x = 385,954.49
  5. Step 5: Solve for x
    x = 385,954.49/590.98
  6. Step 6: Final answer
    x = 653.08

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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.