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Finding the Fourth Proportional to 602.48, 899.40 and 575.88

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Solution

The fourth proportional to 602.48, 899.40 and 575.88 is: 859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.48 : 899.40 = 575.88 : x
  2. Step 2: Convert to fraction form
    602.48/899.40 = 575.88/x
  3. Step 3: Cross multiply
    602.48x = 899.40 × 575.88
  4. Step 4: Simplify right side
    602.48x = 517,949.84
  5. Step 5: Solve for x
    x = 517,949.84/602.48
  6. Step 6: Final answer
    x = 859.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.