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Finding the Fourth Proportional to 653.90, 900.52 and 595.49

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Solution

The fourth proportional to 653.90, 900.52 and 595.49 is: 820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.90 : 900.52 = 595.49 : x
  2. Step 2: Convert to fraction form
    653.90/900.52 = 595.49/x
  3. Step 3: Cross multiply
    653.90x = 900.52 × 595.49
  4. Step 4: Simplify right side
    653.90x = 536,244.66
  5. Step 5: Solve for x
    x = 536,244.66/653.90
  6. Step 6: Final answer
    x = 820.08

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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.