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Finding the Fourth Proportional to 565.98, 848.88 and 458.40

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Solution

The fourth proportional to 565.98, 848.88 and 458.40 is: 687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.98 : 848.88 = 458.40 : x
  2. Step 2: Convert to fraction form
    565.98/848.88 = 458.40/x
  3. Step 3: Cross multiply
    565.98x = 848.88 × 458.40
  4. Step 4: Simplify right side
    565.98x = 389,126.59
  5. Step 5: Solve for x
    x = 389,126.59/565.98
  6. Step 6: Final answer
    x = 687.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.