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Finding the Fourth Proportional to 590.04, 813.08 and 458.80

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Solution

The fourth proportional to 590.04, 813.08 and 458.80 is: 632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.04 : 813.08 = 458.80 : x
  2. Step 2: Convert to fraction form
    590.04/813.08 = 458.80/x
  3. Step 3: Cross multiply
    590.04x = 813.08 × 458.80
  4. Step 4: Simplify right side
    590.04x = 373,041.10
  5. Step 5: Solve for x
    x = 373,041.10/590.04
  6. Step 6: Final answer
    x = 632.23

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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.