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Finding the Fourth Proportional to 368.34, 555.16 and 348.54

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Solution

The fourth proportional to 368.34, 555.16 and 348.54 is: 525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.34 : 555.16 = 348.54 : x
  2. Step 2: Convert to fraction form
    368.34/555.16 = 348.54/x
  3. Step 3: Cross multiply
    368.34x = 555.16 × 348.54
  4. Step 4: Simplify right side
    368.34x = 193,495.47
  5. Step 5: Solve for x
    x = 193,495.47/368.34
  6. Step 6: Final answer
    x = 525.32

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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.