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Finding the Fourth Proportional to 581.33, 800.55 and 433.71

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Solution

The fourth proportional to 581.33, 800.55 and 433.71 is: 597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.33 : 800.55 = 433.71 : x
  2. Step 2: Convert to fraction form
    581.33/800.55 = 433.71/x
  3. Step 3: Cross multiply
    581.33x = 800.55 × 433.71
  4. Step 4: Simplify right side
    581.33x = 347,206.54
  5. Step 5: Solve for x
    x = 347,206.54/581.33
  6. Step 6: Final answer
    x = 597.26

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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.