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Finding the Fourth Proportional to 482.16, 722.02 and 346.08

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Solution

The fourth proportional to 482.16, 722.02 and 346.08 is: 518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.16 : 722.02 = 346.08 : x
  2. Step 2: Convert to fraction form
    482.16/722.02 = 346.08/x
  3. Step 3: Cross multiply
    482.16x = 722.02 × 346.08
  4. Step 4: Simplify right side
    482.16x = 249,876.68
  5. Step 5: Solve for x
    x = 249,876.68/482.16
  6. Step 6: Final answer
    x = 518.24

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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.