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Finding the Fourth Proportional to 972.03, 1,341.44 and 599.23

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Solution

The fourth proportional to 972.03, 1,341.44 and 599.23 is: 826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    972.03 : 1,341.44 = 599.23 : x
  2. Step 2: Convert to fraction form
    972.03/1,341.44 = 599.23/x
  3. Step 3: Cross multiply
    972.03x = 1,341.44 × 599.23
  4. Step 4: Simplify right side
    972.03x = 803,831.09
  5. Step 5: Solve for x
    x = 803,831.09/972.03
  6. Step 6: Final answer
    x = 826.96

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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.