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Finding the Fourth Proportional to 888.04, 1,224.95 and 573.19

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Solution

The fourth proportional to 888.04, 1,224.95 and 573.19 is: 790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.04 : 1,224.95 = 573.19 : x
  2. Step 2: Convert to fraction form
    888.04/1,224.95 = 573.19/x
  3. Step 3: Cross multiply
    888.04x = 1,224.95 × 573.19
  4. Step 4: Simplify right side
    888.04x = 702,129.09
  5. Step 5: Solve for x
    x = 702,129.09/888.04
  6. Step 6: Final answer
    x = 790.65

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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.