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Finding the Fourth Proportional to 590.00, 812.34 and 501.30

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Solution

The fourth proportional to 590.00, 812.34 and 501.30 is: 690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.00 : 812.34 = 501.30 : x
  2. Step 2: Convert to fraction form
    590.00/812.34 = 501.30/x
  3. Step 3: Cross multiply
    590.00x = 812.34 × 501.30
  4. Step 4: Simplify right side
    590.00x = 407,226.04
  5. Step 5: Solve for x
    x = 407,226.04/590.00
  6. Step 6: Final answer
    x = 690.22

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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.