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Finding the Fourth Proportional to 1,370.16, 2,053.68 and 590.80

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Solution

The fourth proportional to 1,370.16, 2,053.68 and 590.80 is: 885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.16 : 2,053.68 = 590.80 : x
  2. Step 2: Convert to fraction form
    1,370.16/2,053.68 = 590.80/x
  3. Step 3: Cross multiply
    1,370.16x = 2,053.68 × 590.80
  4. Step 4: Simplify right side
    1,370.16x = 1,213,314.14
  5. Step 5: Solve for x
    x = 1,213,314.14/1,370.16
  6. Step 6: Final answer
    x = 885.53

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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.