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Finding the Fourth Proportional to 524.05, 722.98 and 302.96

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Solution

The fourth proportional to 524.05, 722.98 and 302.96 is: 417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.05 : 722.98 = 302.96 : x
  2. Step 2: Convert to fraction form
    524.05/722.98 = 302.96/x
  3. Step 3: Cross multiply
    524.05x = 722.98 × 302.96
  4. Step 4: Simplify right side
    524.05x = 219,028.89
  5. Step 5: Solve for x
    x = 219,028.89/524.05
  6. Step 6: Final answer
    x = 417.96

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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.