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Finding the Fourth Proportional to 590.79, 813.44 and 536.12

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Solution

The fourth proportional to 590.79, 813.44 and 536.12 is: 738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.79 : 813.44 = 536.12 : x
  2. Step 2: Convert to fraction form
    590.79/813.44 = 536.12/x
  3. Step 3: Cross multiply
    590.79x = 813.44 × 536.12
  4. Step 4: Simplify right side
    590.79x = 436,096.74
  5. Step 5: Solve for x
    x = 436,096.74/590.79
  6. Step 6: Final answer
    x = 738.16

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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.