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Finding the Fourth Proportional to 880.23, 1,317.09 and 590.25

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Solution

The fourth proportional to 880.23, 1,317.09 and 590.25 is: 883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    880.23 : 1,317.09 = 590.25 : x
  2. Step 2: Convert to fraction form
    880.23/1,317.09 = 590.25/x
  3. Step 3: Cross multiply
    880.23x = 1,317.09 × 590.25
  4. Step 4: Simplify right side
    880.23x = 777,412.37
  5. Step 5: Solve for x
    x = 777,412.37/880.23
  6. Step 6: Final answer
    x = 883.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.