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Finding the Fourth Proportional to 944.51, 1,303.28 and 524.86

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Solution

The fourth proportional to 944.51, 1,303.28 and 524.86 is: 724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.51 : 1,303.28 = 524.86 : x
  2. Step 2: Convert to fraction form
    944.51/1,303.28 = 524.86/x
  3. Step 3: Cross multiply
    944.51x = 1,303.28 × 524.86
  4. Step 4: Simplify right side
    944.51x = 684,037.59
  5. Step 5: Solve for x
    x = 684,037.59/944.51
  6. Step 6: Final answer
    x = 724.22

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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.