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Finding the Fourth Proportional to 524.01, 722.05 and 430.45

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Solution

The fourth proportional to 524.01, 722.05 and 430.45 is: 593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.01 : 722.05 = 430.45 : x
  2. Step 2: Convert to fraction form
    524.01/722.05 = 430.45/x
  3. Step 3: Cross multiply
    524.01x = 722.05 × 430.45
  4. Step 4: Simplify right side
    524.01x = 310,806.42
  5. Step 5: Solve for x
    x = 310,806.42/524.01
  6. Step 6: Final answer
    x = 593.13

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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.