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Finding the Fourth Proportional to 524.16, 783.73 and 478.26

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Solution

The fourth proportional to 524.16, 783.73 and 478.26 is: 715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.16 : 783.73 = 478.26 : x
  2. Step 2: Convert to fraction form
    524.16/783.73 = 478.26/x
  3. Step 3: Cross multiply
    524.16x = 783.73 × 478.26
  4. Step 4: Simplify right side
    524.16x = 374,826.71
  5. Step 5: Solve for x
    x = 374,826.71/524.16
  6. Step 6: Final answer
    x = 715.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.