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Finding the Fourth Proportional to 908.02, 1,253.25 and 593.33

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Solution

The fourth proportional to 908.02, 1,253.25 and 593.33 is: 818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.02 : 1,253.25 = 593.33 : x
  2. Step 2: Convert to fraction form
    908.02/1,253.25 = 593.33/x
  3. Step 3: Cross multiply
    908.02x = 1,253.25 × 593.33
  4. Step 4: Simplify right side
    908.02x = 743,590.82
  5. Step 5: Solve for x
    x = 743,590.82/908.02
  6. Step 6: Final answer
    x = 818.91

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Double scale
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1.5x scale

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.