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Finding the Fourth Proportional to 554.76, 765.29 and 368.01

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Solution

The fourth proportional to 554.76, 765.29 and 368.01 is: 507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.76 : 765.29 = 368.01 : x
  2. Step 2: Convert to fraction form
    554.76/765.29 = 368.01/x
  3. Step 3: Cross multiply
    554.76x = 765.29 × 368.01
  4. Step 4: Simplify right side
    554.76x = 281,634.37
  5. Step 5: Solve for x
    x = 281,634.37/554.76
  6. Step 6: Final answer
    x = 507.67

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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.