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Finding the Fourth Proportional to 583.23, 803.76 and 417.15

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Solution

The fourth proportional to 583.23, 803.76 and 417.15 is: 574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.23 : 803.76 = 417.15 : x
  2. Step 2: Convert to fraction form
    583.23/803.76 = 417.15/x
  3. Step 3: Cross multiply
    583.23x = 803.76 × 417.15
  4. Step 4: Simplify right side
    583.23x = 335,288.48
  5. Step 5: Solve for x
    x = 335,288.48/583.23
  6. Step 6: Final answer
    x = 574.88

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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.