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Finding the Fourth Proportional to 368.24, 555.14 and 348.39

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Solution

The fourth proportional to 368.24, 555.14 and 348.39 is: 525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.24 : 555.14 = 348.39 : x
  2. Step 2: Convert to fraction form
    368.24/555.14 = 348.39/x
  3. Step 3: Cross multiply
    368.24x = 555.14 × 348.39
  4. Step 4: Simplify right side
    368.24x = 193,405.22
  5. Step 5: Solve for x
    x = 193,405.22/368.24
  6. Step 6: Final answer
    x = 525.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.