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Finding the Fourth Proportional to 595.40, 887.86 and 548.12

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Solution

The fourth proportional to 595.40, 887.86 and 548.12 is: 817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.40 : 887.86 = 548.12 : x
  2. Step 2: Convert to fraction form
    595.40/887.86 = 548.12/x
  3. Step 3: Cross multiply
    595.40x = 887.86 × 548.12
  4. Step 4: Simplify right side
    595.40x = 486,653.82
  5. Step 5: Solve for x
    x = 486,653.82/595.40
  6. Step 6: Final answer
    x = 817.36

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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.